PartsTable
Technical Data Sheet
74593A ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 1.500 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-619-1961, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
74593A
NSN: 5310-00-619-1961
FSC: 5310
CAGE: 00742 — AIR PRODUCTS & CHEMICALS, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height1.500 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats2.625 INCHES NOMINAL IN
nominal_thread_size1.750 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch5
nondefinitive_spec/std_data2 TYPE AND 4 STYLE
departure_from_cited_designatorAS MODIFIED BY WIDTH ACROSS FLATS AND NUT HEIGHT
NSN5310-00-619-1961
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 74593A · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 4 STYLE
MATERIAL: STEEL OVERALL
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY WIDTH ACROSS FLATS AND NUT HEIGHT
THREAD QUANTITY PER INCH: 5
NOMINAL THREAD SIZE: 1.750 INCHES IN
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 4 STYLE
MATERIALSTEEL OVERALL
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY WIDTH ACROSS FLATS AND NUT HEIGHT
THREAD QUANTITY PER INCH5
NOMINAL THREAD SIZE1.750 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MILB857TYPEACLASSCInterchangeable
interchangeable cross-reference
interchangeable
MILB857TYPE4STYLEA0RBGRADE1Interchangeable
interchangeable cross-reference
interchangeable
MILB857TYPE2STYLEA0RBGRADE1Interchangeable
interchangeable cross-reference
interchangeable
FFB571TYPEA2Interchangeable
interchangeable cross-reference
interchangeable
43N6870Interchangeable
interchangeable cross-reference
interchangeable
FF-B-575CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy 74593A?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 74593A?
74593A is a NUT,PLAIN,HEXAGON.
What parts can replace 74593A?
There are 7 known substitutes for 74593A: MILB857TYPEACLASSC, MILB857TYPE4STYLEA0RBGRADE1, MILB857TYPE2STYLEA0RBGRADE1 and 4 more. Substitute compatibility should be verified for your specific system.
Is 74593A still available?
74593A is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 74593A